[cisco-voip] Calling name from Avaya to Cisco Call Manager

[Voice Noob]

I am having a problem getting calling name to work correctly. I have an
Avaya system, not sure on the specs on it, that is connected to a CUCM 6.1
system. All PSTN connectivity goes through the Avaya system first and is
then sent via H.323 to CUCM. If I call from Cisco phone to Avaya I get
calling name. If I call from Avaya to Cisco I get calling name. If an
outside caller from the PSTN calls an Avaya phone they get calling name. If
a PSTN caller calls into the system and is rerouted to a Cisco phone they do
not get calling name.  What could be the causes of this and where should I
start to troubleshoot this issue. Thanks for everyone's help.
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